<template>
  <div class="cart">
    <el-table :data="$store.state.cart"
              border
              style="width: 100%">
      <el-table-column type="index"
                       label="序号"
                       width="50"
                       align="center"></el-table-column>
      <el-table-column prop="name"
                       label="书名"
                       align="center"></el-table-column>
      <el-table-column prop="price"
                       label="价格"
                       width="100"
                       align="center"></el-table-column>
      <el-table-column label="数量"
                       align="center">
        <template slot-scope="scope">
          <el-input-number v-model="scope.row.number"
                           :min="1"
                           :max="scope.row.pnum"
                           label="描述文字"
                           @change="change(scope.row.number,scope.$index)"></el-input-number>
        </template>
      </el-table-column>
      <el-table-column label="小计"
                       width="150"
                       align="center">
        <template slot-scope="scope">
          {{scope.row.lineTotal}}
        </template>
      </el-table-column>
      <el-table-column label="操作"
                       width="180"
                       align="center">
        <template slot-scope="scope">
          <el-button size="mini"
                     type="danger"
                     @click="handleDelete(scope.$index)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <div class="total_warpper">
      <h3>共计：{{$store.getters.totalPrice}}</h3>
      <h3>总数：{{$store.getters.totalNumber}}</h3>
    </div>
    <div class="group_btn">
      <el-button type="success"
                 @click="commitOrder()">提交订单</el-button>
    </div>

  </div>
</template>
 
 <script>
export default {  
  methods: {
    change(val,index){
      this.$store.dispatch('refresh',{'index':index,'val':val});
    },
    commitOrder() {//跳转到订单页面,先要判断是否登录，如果没登录则跳转到登录页面
      if(this.$cookies.get('status') == 'unlogin' ||!this.$cookies.get('status')){
        this.$router.push('/login');
      }else{
        this.$router.push('/order');
      }

    },
    handleDelete(index) {
      this.$store.dispatch('delGoodsByIndex', index)
    },
  },
}
</script>
 
 <style scoped>
.cart {
  margin: 50px auto;
  width: 1000px;
}
.group_btn {
  margin-bottom: 30px;
}
.addDialog .el-input {
  width: 90%;
}
.total_warpper {
  text-align: right;
  margin-top: 30px;
}
h3 {
  margin-top: 10px;
}
</style> 